Multiple Choice
Consider the equilibrium of Ca(OH) 2(s) in water. Ca(OH) 2(s) ? Ca2+(aq) + 2OH?(aq) , What is the effect of raising the pH of the solution?
A) Ca2+(aq) is reduced to Ca(s) .
B) The concentration of hydronium ion increases.
C) The concentration of Ca2+ increases as Ca(OH) 2 dissolves.
D) Ca(OH) 2(s) precipitates until equilibrium is reestablished.
E) Hydroxide ion is reduced to H2(g) .
Correct Answer:
Verified
Correct Answer:
Verified
Q8: What volume of water is needed to
Q9: What is the water solubility of PbI<sub>2</sub>
Q10: What is the concentration of Ag<sup>+</sup> in
Q11: For AgCl,K<sub>sp</sub> = 1.8 × 10−<sup>10</sup>.What will
Q12: The K<sub>sp</sub> of BaSO<sub>4</sub> is 1.1 ×
Q14: The K<sub>sp</sub> of Fe(OH)<sub>3</sub>(s)is 3 × 10−<sup>39</sup>.What
Q15: What is the chemical equation that describes
Q16: Which of the following equations is
Q17: The K<sub>sp</sub> of aluminum hydroxide,Al(OH)<sub>3</sub>,is 2 ×
Q18: For Mg(OH)<sub>2</sub>,K<sub>sp</sub> = 6 × 10−<sup>12</sup>.What will